In an ink supply amount control method for a printing press, ink is supplied
from
the gap between a plurality of ink fountain keys and an ink fountain roller to
an ink supply path in accordance with rotation of the ink fountain roller. The
swing operation of an ink ductor roller is temporarily stopped. When the swing
operation should intermittently be stopped, the operation of the ink fountain key
or the ink fountain roller is controlled to control the ink supply amount to the
ink ductor roller. Ink in a corrected amount is supplied to a printing plate attached
to a plate cylinder through the ink supply path by the swing operation of the ink
ductor roller. An ink supply amount control apparatus is also disclosed.